Policy
Hide non-critical notifications
Only show critical notifications from Windows Security. If the Suppress all notifications GP setting has been enabled, this setting will have no effect. Enabled: Local users will only see critical notifications from Windows Security. They will not see other types of notifications, such as regular PC or device health information. Disabled: Local users will see all types of notifications from Windows Security. Not configured: Same as Disabled.
9da29694e864 Notifications_DisableEnhancedNotifications Registry
Copy registry mappings
HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications (enabled) = 1
HKLM\SOFTWARE\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableEnhancedNotifications (disabled) = 0Policy notes
Only show critical notifications from Windows Security. If the Suppress all notifications GP setting has been enabled, this setting will have no effect. Enabled: Local users will only see critical notifications from Windows Security. They will not see other types of notifications, such as regular PC or device health information. Disabled: Local users will see all types of notifications from Windows Security. Not configured: Same as Disabled.